diff --git a/zmodule_device_manager.cpp b/zmodule_device_manager.cpp
index 8176694..73d45fb 100644
--- a/zmodule_device_manager.cpp
+++ b/zmodule_device_manager.cpp
@@ -23,7 +23,7 @@ void ZModuleDeviceManager::initialize(IZcanCmderMaster *cancmder) {
         int32_t  regindex = pdata[0];
         int32_t  regold   = pdata[1];
         int32_t  regnew   = pdata[2];
-        callOnRegValChangeEvent(packet->cmdMainId, regindex, regold, regnew);
+        callOnRegValChangeEvent(packet->subModuleid, regindex, regold, regnew);
       }
     });
   }